Red Leaves on Blueberry Bush

Question

I used Hollyberry fertilizer for my blueberry bushes last fall (first season). Nice growth, some berries this summer, but now the leaves have turned red. What do they need?

Answer 1

Since there are many reasons for this and I cannot see for myself, here is a site that you may find helpful: http://www.fruit.cornell.edu/berrytool/blueberry/leaves/BBphos.htm